<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png"
             alt="">
      </div>
      <el-form :model="loginForm"
               ref='loginFormRef'
               :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"
                    prefix-icon="el-icon-user-solid"></el-input>
        </el-form-item>
        <el-form-item prop='password'>
          <el-input v-model="loginForm.password"
                    type="password"
                    prefix-icon='el-icon-unlock'></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary"
                     @click='login'>登录</el-button>
          <el-button type="info"
                     @click='resetLoginForm'>重置</el-button>
        </el-form-item>
      </el-form>
    </div>

  </div>

</template>
<script>
export default {
  data () {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }

        ]
      }
    }
  },
  methods: {
    resetLoginForm () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(valid => {
        // console.log(valid)
        if (!valid) return
        let url = "/api/login"
        this.$http.post(url, this.$qs.stringify(this.loginForm)).then(res => {

          if (res.status === 200) {
            console.log(res.data)
            if (res.data === 100) {
              this.$common.fail('用户名或密码错误！')
            } else {
              this.$common.succ('登录成功！')
              window.sessionStorage.setItem('token', res.data.token)
              window.sessionStorage.setItem('role', res.data.role)
              window.sessionStorage.setItem('names', res.data.name)
              this.$router.push('/home')
            }

          } else {
            this.$common.fail('用户名或密码错误！')

          }
        })
      })

    },
  }
}
</script>
<style scoped >
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
}
.avatar_box img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #eee;
}
.el-form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>